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  • DBMandrake's Avatar
    Today, 12:57 AM
    For the record I still get "comms errors" from the hot water sensor. Nothing I do will fix it. I have just learnt to live with it because I have...
    102 replies | 12256 view(s)
  • M J's Avatar
    24th July 2021, 11:42 AM
    Thanks for the updates from folks, just spoken to plumber and will get the work done and will see how it goes. I have been manually (just...
    102 replies | 12256 view(s)
  • G4RHL's Avatar
    24th July 2021, 09:51 AM
    G4RHL replied to a thread Evohome Savings in Heating Control
    It is impossible unless the weather conditions and temperatures were the same for each year. There are savings with Evohome, because of the...
    12 replies | 885 view(s)
  • djb61's Avatar
    23rd July 2021, 05:34 PM
    This is basically the schedule I have and as in my previous post I do not suffer from the comms error message for my HW sensor.
    102 replies | 12256 view(s)
  • bruce_miranda's Avatar
    23rd July 2021, 12:06 PM
    If you have HW scheduled to come on that frequently you might never see the notorious comms failure error. Go for it. I have Solar panels, so it's...
    102 replies | 12256 view(s)
  • M J's Avatar
    23rd July 2021, 09:27 AM
    M J replied to a thread Evohome Savings in Heating Control
    Like Gordanb3, I can not prove I have saved money, but the fact that we mostly use the living room at night and the ability to just heat that zone...
    12 replies | 885 view(s)
  • M J's Avatar
    23rd July 2021, 09:23 AM
    With my current setup I have the boiler fire up three times a day, morning noon and early evening to make sure I have hot water for the day. Retired...
    102 replies | 12256 view(s)
  • gordonb3's Avatar
    22nd July 2021, 10:24 PM
    gordonb3 replied to a thread Evohome Savings in Heating Control
    True. That said, before I had Evohome I used to set the living room at 24C just to create the trigger for the heating to come on and allow the...
    12 replies | 885 view(s)
  • bruce_miranda's Avatar
    22nd July 2021, 01:46 PM
    It all depends how you have your HW schedule set. If the HW temperature is constantly changing it causes the sensor to send our messages more...
    102 replies | 12256 view(s)
  • djb61's Avatar
    22nd July 2021, 01:26 PM
    I have had my Evohome installed since October 2019 including HW control and in that time I can't recall ever having a comms error due to the HW...
    102 replies | 12256 view(s)
  • CT1's Avatar
    21st July 2021, 01:09 PM
    I find the comms failures irritating rather than a deal breaker and would still install the HW control if I was starting again.
    102 replies | 12256 view(s)
  • CT1's Avatar
    21st July 2021, 12:11 PM
    CT1 replied to a thread Evohome Savings in Heating Control
    I would not be able to recommend anyone install EvoHome to save money. Some may eventually achieve payback, but it is by no means guaranteed. If you...
    12 replies | 885 view(s)
  • bruce_miranda's Avatar
    21st July 2021, 09:48 AM
    Believe it or not the bug is in the Controller and not the sensor. It's caused by the Controller missing the infrequent sensor message when the temp...
    102 replies | 12256 view(s)
  • G4RHL's Avatar
    21st July 2021, 09:42 AM
    My hot water sensor went in February last when I replaced my boiler with a combi. I now donít get any faults appearing in the log. In the past they...
    102 replies | 12256 view(s)
  • bruce_miranda's Avatar
    20th July 2021, 01:00 PM
    Simon has learnt to live with the quirkiness of the system. He hasn't thrown his system away. We all use it quite actively. And even though it's not...
    102 replies | 12256 view(s)
  • M J's Avatar
    20th July 2021, 12:48 PM
    Thanks that is an attraction for me and the ability to retire some time controllers that are in a bad position for me to check. The Ability to...
    102 replies | 12256 view(s)
  • G4RHL's Avatar
    20th July 2021, 12:36 PM
    G4RHL replied to a thread Evohome Savings in Heating Control
    Indeed, it is not the cost, as charging rates will vary, but the consumption. My figures show: 2007 20,501.00 2008 20,967.00 2009 22,421.51...
    12 replies | 885 view(s)
  • therealfronty's Avatar
    20th July 2021, 12:36 PM
    Maybe they should rename it Evohope lol FWIW I've had my hot water kit installed for about a month now and not had any issues, it's running on the...
    102 replies | 12256 view(s)
  • M J's Avatar
    20th July 2021, 12:29 PM
    Sounds like a new marketing phrase for Evo Home? OK thanks for the further explanation. I will e-mail DBMandrake directly to see if he has...
    102 replies | 12256 view(s)
  • M J's Avatar
    20th July 2021, 12:23 PM
    M J replied to a thread Evohome Savings in Heating Control
    I agree, I have had my Evo Home for just the central heating since Sept 2018 and I have kept more accurate figures from 2016 2017 = 18,739 (before...
    12 replies | 885 view(s)
  • bruce_miranda's Avatar
    20th July 2021, 11:46 AM
    We have investigated this issue to death. The HW sensor will transmit very rarely when it's not in an active heating cycle and thus the HW...
    102 replies | 12256 view(s)
  • M J's Avatar
    20th July 2021, 11:34 AM
    Hi Bruce thanks for the response, but it seemed that the advice DBMandrake was rotate the unit to improve the signal strength? His last comment...
    102 replies | 12256 view(s)
  • bruce_miranda's Avatar
    19th July 2021, 10:55 PM
    It's a firmware bug, not a hardware bug. Get it, and learn to live the issues. It tends to work fine during an active heating cycle anyway.
    102 replies | 12256 view(s)
  • M J's Avatar
    19th July 2021, 10:46 PM
    Hi a bit of a resurrection @DBMandrake I would be interested to know if you think the issue is now solved? I am looking to get a Hot Water CS92 added...
    102 replies | 12256 view(s)
  • therealfronty's Avatar
    19th July 2021, 06:41 PM
    Something weird going on here, it's been getting a little toasty in our conservatory and three times now the evotouch panel has reported a sensor...
    0 replies | 107 view(s)
  • fezster's Avatar
    16th July 2021, 02:45 PM
    Boiler's have a minimum flow rate at varying power outputs. For Vaillant's (mine is a 438) this is particularly important because the boiler takes...
    5 replies | 466 view(s)
  • gazcallyt's Avatar
    15th July 2021, 08:23 AM
    Cheers for that, I am pretty sure that is how the BDR91 is wired now, using A & B, will double check tonight. I mentioned earlier, without the...
    4 replies | 294 view(s)
  • therealfronty's Avatar
    14th July 2021, 09:45 PM
    Hmm I was just wondering if you could use a normal BRD91 but wire the fan using the normally closed contacts instead of the normally open (A & C). ...
    4 replies | 294 view(s)
  • gazcallyt's Avatar
    14th July 2021, 08:26 PM
    That's right the BDR91T does heat and cooling demand, I just needed the thermostat to kick the fan in when it was in cool mode, didn't think the...
    4 replies | 294 view(s)
  • bruce_miranda's Avatar
    14th July 2021, 03:52 PM
    I thought only the BDR91T can deal with the cooling reverse demand and the BDR91 can only deal with heat demand.
    4 replies | 294 view(s)
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